CN102721502A - Electric vehicle window closing force tester - Google Patents
Electric vehicle window closing force tester Download PDFInfo
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- CN102721502A CN102721502A CN2012102147444A CN201210214744A CN102721502A CN 102721502 A CN102721502 A CN 102721502A CN 2012102147444 A CN2012102147444 A CN 2012102147444A CN 201210214744 A CN201210214744 A CN 201210214744A CN 102721502 A CN102721502 A CN 102721502A
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Abstract
The invention discloses an electric vehicle window closing force tester. The electric vehicle window closing force tester consists of an electrical structure part and a mechanical structure part. A force sensor is conveniently fixed to glass of a vehicle window through the mechanical structure part, when the vehicle window is raised, the force sensor fixed to the glass of the vehicle window generates a force signal under pressure, a signal wire of the force sensor is connected to an analog/digital (A/D) conversion pin of a main chip of the electrical structure part, and the electrical structure part processes an A/D sampling result and displays the processed result in real time though a liquid crystal display circuit. The electric vehicle window closing force tester displays the value of force in real time, is visual, portable and convenient to install and has a simple structure, a high practical value and a wide application prospect in the technical field of automobile body safety testing instruments.
Description
Technical field
The present invention relates to a kind of power windows and close force tester, especially design a kind of portablely, the power windows that can be directly installed on the glass for vehicle window is closed force tester, belongs to the technical field of body of a motor car safety test instrument.
Background technology
The present invention adopts in People's Republic of China's automobile industry standard it " electric glass lifter for automobile " definition for the power of closing.When automobile window glass rises, apply power and make motor rotation blockage in the opposite direction of moving, this moment, lifter was the power of cutting out to the acting force of stall thing.Anti-pinch vehicle window for present up-to-date rise; External norm-setting is with respect to domestic morning; Wherein about the power of closing, have two kinds of relevant international regulations to follow, one is the European directive Directive2000/4/EC that worked out in 2000; Another is the Code of Federal Regulations FMVSS118 that works out in 2006, and wherein the two kinds of rules of size about the power of closing all are defined as less than 100N.
But the equipment that vehicle window is closed power that detects does not appear being specifically designed in the market; Part can be used for the dynamometer that vehicle window detects; Also be hand-held liquid crystal display, sensor is external, but does not set forth about the mounting means between sensor and the glass for vehicle window; The present invention has designed a kind of physical construction of being convenient to install just; Can sensor be installed on the glass for vehicle window easily, and sensor signal is delivered to single-chip microcomputer, shows in real time that through LCDs vehicle window closes the size of power.
Summary of the invention
The invention discloses a kind of power windows and close force tester, specifically be meant a kind of portablely, can be directly installed on the glass for vehicle window, the power windows that the power of closing can show is in real time closed force tester.
The present invention realizes that the scheme of above-mentioned purpose is:
A kind of power windows is closed force tester, and it is made up of electrical structure part and physical construction part two parts; Relation is therebetween: force transducer is fixed on the glass for vehicle window through the physical construction part easily; When vehicle window rises; Be fixed on the force transducer on the glass for vehicle window and produce force signal because be under pressure; And the signal wire of force transducer is connected to the AD conversion pin of the master chip of electrical structure part, and the electrical structure part handles afterwards the AD sampled result through real-time the showing of liquid crystal display circuit.
Said electrical structure part comprises master chip, power circuit and liquid crystal display three parts; Position annexation between them is: power circuit converts external 12v supply voltage into power pin that 5v voltage is connected to master chip, and the common I/O mouth of master chip connects liquid crystal display, and driving liquid crystal is shielded real-time demonstration power value and changed.This master chip is to have timer, I/O, and common 51 single-chip microcomputers of AD conversion, common IO mouth are mainly used in the driving liquid crystal screen, connect keyswitch; Force transducer force signal line is connected to master chip AD pin, through after handling the result is shown output through LCDs; This power circuit is the power circuit that adopts the voltage stabilizing chip; It is a circuit of three-terminal voltage-stabilizing integrated, its input termination external power supply, and output terminal is 5v; Connect the power pin of master chip; Earth terminal ground connection, its major function are that external power supply voltage is stabilized in 5v, and the protection master chip does not receive the influence of external power supply voltage fluctuation; This LCDs is to belong to character picture type LCD MODULE, integrated LCD display screen and LCD control module ST7920, and built-in 8192 Chinese characters, 128 characters and 64X256 dot matrix display random access memory directly connect master chip.
Said physical construction part comprises glass folder (1), lower beam (2); Upper boom (3); Upper boom Y-piece (4), lower beam Y-piece (10), glass support pallet (5); Upper boom sensor gib screw (8), is gone up lower beam connecting pin (6), glass and is clamped solid screw (7), force transducer (9), upper boom sensor fixing pin (12), lower beam sensor fixing pin (13), glass and clamp solid nut (16) and rubber blanket (14) lower beam sensor gib screw (11).Its position annexation is: glass folder (1) is installed on the glass for vehicle window (15); Between glass folder (1) and glass for vehicle window (15), rubber blanket (14) is housed; Glass is installed on the glass folder (1) clamps solid screw (7); It is the standard component of M8 that glass clamps solid screw (7), and glass clamps solid nut (16) and is installed on the solid screw (7) of glass clamping, and it is the standard component of M8 that glass clamps solid nut (16).One end of upper boom (3) is connected on the glass folder (1); The other end is connected on the upper boom Y-piece (4); Upper boom (3) is hinged through last lower beam connecting pin (6) with lower beam (2); One end of lower beam (2) is connected on the glass support pallet (5); The other end is connected on the lower beam Y-piece (10); Between upper boom Y-piece (4) and lower beam Y-piece (10), be connected with force transducer (9), force transducer (9) links together through upper boom sensor gib screw (8) with upper boom Y-piece (4), and the upper end of upper boom sensor gib screw (8) and upper boom Y-piece (4) link together through upper boom sensor fixing pin (12); Force transducer (9) links together through lower beam sensor gib screw (11) with lower beam Y-piece (10), and the upper end of lower beam sensor fixing pin (11) and lower beam Y-piece (10) link together through lower beam sensor fixing pin (13).
This glass folder (1) shape is shown in Fig. 1 (a), Fig. 1 (b); It is Jiong shape that section configuration is looked on its left side; Be specially a square iron plate, middle method with the line cutting cuts out a U-shaped fixed groove, and it is provided with two fixing through holes of using; Because the glass folder is a metal material; Can not directly directly contact with glass for vehicle window (15), between adds rubber blanket, and the function of glass folder is a kind of power windows of the present invention to be closed force tester be fixed on easily on the glass for vehicle window (15);
This lower beam (2) is that the rectangular block round bar and trough of belt is formed by connecting; Shape is shown in Fig. 2 (a), Fig. 2 (b); Through hole on the rectangular block of middle trough of belt is mainly used in installs lower beam connecting pin (6); Thereby it is upper boom (3), lower beam (2) is hinged; Lower beam (2) one ends are connected on the glass support pallet (5), and the other end is connected on the lower beam Y-piece (10), and the function of lower beam is through being transferred to force transducer (9) with power that cooperating of upper boom receives glass support pallet (5) through lever principle;
This upper boom (3) is that the rectangular block round bar and trough of belt is formed by connecting; Shape is shown in Fig. 3 (a), Fig. 3 (b); Through hole on the rectangular block of middle trough of belt is mainly used in installs the lower beam connecting pin, thereby upper boom, lower beam is hinged, upper boom one end is connected on the glass folder (1); The other end is connected on the upper boom Y-piece (4), and the function of upper boom is through being transferred to force transducer (9) with the power that glass folder (1) is received that cooperates of lower beam through lever principle;
This upper boom Y-piece (4) is shaped as the rectangular parallelepiped spare that has the U-shaped gap; Shown in Fig. 4 (a), Fig. 4 (b); Between the through hole on upper boom Y-piece two sides, be connected with upper boom sensor fixing pin (12); On upper boom sensor fixing pin (12), be connected with upper boom sensor gib screw (8); Upper boom Y-piece (4) links together with upper boom (3), and the function of upper boom Y-piece (4) is the upper end through upper boom sensor gib screw (8) the bed knife sensor (9) that is connected with upper boom sensor fixing pin (12);
This glass support pallet (5) is the iron plate of a rectangular parallelepiped; Shape is connected on lower beam (2) end shown in Fig. 5 (a), Fig. 5 (b), and the function of glass support pallet (5) is in the process that vehicle window rises; If run into obstacle midway; To have acting force to be applied on the glass support pallet (5), glass support pallet (5) has downward displacement when being under pressure; Therefore lower beam Y-piece (10) the meeting upward pressure sensor (9) that is connected with lower beam (2) other end, thus realized the power that glass support pallet (5) receives is transferred to the process of force transducer (9);
Should go up lower beam connecting pin (6); Shape is as shown in Figure 6, and its head is a nut shape hexahedron, and the first half is smooth cylindrical bar; The latter half is a screw thread; Its cylindrical bar partly passes the through hole of the rectangular block of upper boom (3) and lower beam (2) trough of belt, and threaded portion is mainly used in the installation nut, fixedly upper boom (3) and lower beam (2).The function of last lower beam connecting pin (6) is that upper boom (3) and lower beam (2) is hinged, makes that lower beam (2) can be with respect to the accessible rotation of upper boom (3);
This trip bolt (7) is the standard web member of choosing as required; In order to make that glass folder (1) can clampingc car glass pane (15); This trip bolt mounting center and glass folder (1) topmost distance approximates 1/2nd of glass folder height greatly, so the effect of trip bolt (7) is to make that glass folder (1) can clampingc car glass pane (15);
This upper boom sensor gib screw (8); Shape is shown in Fig. 7 (a), Fig. 7 (b); A through hole is arranged on screw cap, and the effect of through hole is to pass upper boom sensor fixing pin (12), hangs on the upper boom Y-piece (4); Its lower end threaded portion be connected to force transducer (9) from threaded hole, the function of upper boom sensor gib screw (8) is the upper end of bed knife sensor (9);
This force transducer (9) is commercial that chooses as required;
This lower beam Y-piece (10) shape is identical with the upper boom Y-piece; Between the through hole on lower beam Y-piece two sides, be connected with lower beam sensor fixing pin (13); On lower beam sensor fixing pin (13), be connected with lower beam sensor gib screw (11); Lower beam Y-piece (10) links together with lower beam (2), and the function of lower beam Y-piece (10) is the lower end through lower beam sensor gib screw (11) the bed knife sensor (9) that is connected with lower beam sensor fixing pin (13);
This lower beam sensor gib screw (11) shape is identical with upper boom sensor gib screw (8); A through hole is arranged on screw cap; The effect of through hole is to pass lower beam sensor fixing pin (13); Hang on the lower beam Y-piece (10), its lower end threaded portion be connected to force transducer (9) from threaded hole, the function of lower beam sensor gib screw (11) is the lower end of bed knife sensor (9);
This upper boom sensor fixing pin (12) is the standard web member of choosing as required, and its function is that upper boom sensor gib screw (8) is connected on the upper boom Y-piece (4);
This lower beam sensor fixing pin (13) is the standard web member of choosing as required, and its function is that lower beam sensor gib screw (11) is connected on the lower beam Y-piece (10);
This rubber blanket (14) is directly to be cut to glass folder same size from the thick electrostatic prevention rubber of commercially available 2mm in the present invention; Directly pad is between glass for vehicle window (15) and glass folder (1) then, and the function of rubber blanket (14) is to prevent that glass for vehicle window (15) from being scratched;
It is the standard web member of choosing as required that this glass clamps solid nut (16), matches with trip bolt (7).
Wherein, the model of this single-chip microcomputer is STC12C48S2.
Wherein, the model of this power circuit voltage stabilizing chip is LM7805.
Wherein, the model of this LCDs is HY-12864T-201.
Wherein, the model of this force transducer is CFBLSM.
Wherein, the width of the U-shaped fixed groove of this glass folder is 7-9mm.
Principle of work of the present invention is:
Between the upper boom Y-piece (4) and lower beam Y-piece (10) that force transducer (9) is installed in respectively and lower beam (2), upper boom (3) link together; Force transducer (9) links together through upper boom sensor gib screw (8) with upper boom Y-piece (4); The upper end of upper boom sensor gib screw (8) links together through upper boom sensor fixing pin (12) and upper boom Y-piece (4); Force transducer (9) links together through lower beam sensor gib screw (11) with lower beam Y-piece (10), and the upper end of lower beam sensor gib screw (11) and lower beam Y-piece (10) link together through lower beam sensor fixing pin (13).
Because upper boom (3) links together with glass folder (1); So the end that upper boom (3) is connected with glass folder (1) in the vehicle window uphill process can be defaulted as relatively and glass for vehicle window (15) is static; Force transducer (9) is installed between upper boom Y-piece (4) and the lower beam Y-piece (10); Upper boom Y-piece (4) and upper boom (3), lower beam Y-piece (10) links together with lower beam (2), and upper boom (3), lower beam (2) are hinged through last lower beam connecting pin (6) simultaneously; The other end of lower beam (2) and glass support pallet (5) link together; Therefore be with glass folder (1) when glass for vehicle window (15) and rising to the top, acting on glass support pallet (5) last time effectively, an end of the lower beam (2) that then links together with glass support pallet (5) moves downward; Therefore upper boom (3) moves upward with the end that upper boom Y-piece (4) links together; Therefore force transducer (9) is under pressure, and sensor signal lines (17) is connected to master chip AD conversion pin, and master chip shows through LCDs after the AD transformation result analyzing and processing in real time.
In addition, the relation that acts between the power F2 of power F1 and force transducer (9) output on the glass support pallet (5) is:
F1*a=F2*b
Wherein a is the distance at position distance last lower beam connecting pin (6) center of vehicle window roof pressure to the glass support pallet (5), and b is the distance at last lower beam connecting pin (6) center and upper boom sensor fixing pin (8) center.
Advantage of the present invention and good effect are:
(1) show the power value in real time, directly perceived, portable, easy for installation;
(2) because the force transducer size is generally bigger, the vehicle window power of closing is transferred to sensor, can measures the power of closing size easily apart from vehicle window upper ledge 25mm distance through lever principle;
(3) can be used as the testing apparatus of automobile production producer.
Description of drawings
Fig. 1 (a) is the front view of glass folder, and Fig. 1 (b) is the left view of glass folder;
Fig. 2 (a) is the front view of lower beam, and Fig. 2 (b) is the vertical view of lower beam;
Fig. 3 (a) is the front view of upper boom, and Fig. 3 (b) is the vertical view of upper boom;
Fig. 4 (a) is the front view of upper boom Y-piece, and Fig. 4 (b) is the vertical view of upper boom Y-piece;
Fig. 5 (a) is the front view of glass support pallet, and Fig. 5 (b) is the left view of glass support pallet;
Fig. 6 is last lower beam connecting pin;
Fig. 7 (a) is the front view of upper boom sensor gib screw, and Fig. 7 (b) is the left view of upper boom sensor gib screw;
Fig. 8 is a tester structural representation of the present invention;
Fig. 9 is a tester electrical principle structural drawing.
Symbol description is following in the accompanying drawing:
1 is the glass folder, and 2 is lower beam, and 3 is upper boom, and 4 is the upper boom Y-piece, and 5 is the glass support pallet; 6 is last lower beam connecting pin, and 7 is trip bolt, and 8 is upper boom sensor gib screw, and 9 is force transducer; 10 is the lower beam Y-piece, and 11 is lower beam sensor gib screw, and 12 is upper boom sensor fixing pin, and 13 is lower beam sensor fixing pin; 14 is rubber blanket, and 15 is glass for vehicle window, and 16 for glass clamps solid nut, and 17 is sensor signal lines;
A arrives the distance at distance last lower beam connecting pin (6) center, position on the glass support pallet (5) for the vehicle window roof pressure;
B is the distance at last lower beam connecting pin (6) center and upper boom sensor fixing pin (8) center.
Embodiment
A kind of power windows of the present invention is closed force tester, specifically is meant a kind of portablely, can be directly installed on the glass for vehicle window, and the power windows that the power of closing can show is in real time closed force tester.
The present invention realizes that the scheme of above-mentioned purpose is:
A kind of power windows is closed force tester, and it is made up of electrical structure part and physical construction part two parts; Relation is therebetween: force transducer is fixed on the glass for vehicle window through the physical construction part easily; When vehicle window rises; Be fixed on the force transducer on the glass for vehicle window and produce force signal because be under pressure; And the signal wire of force transducer is connected to the AD conversion pin of the master chip of electrical structure part, and the electrical structure part handles afterwards the AD sampled result through real-time the showing of liquid crystal display circuit.Fig. 8 is a tester structural representation of the present invention; Fig. 9 is a tester electrical principle structural drawing.
Said electrical structure part comprises master chip, power circuit and liquid crystal display three parts; Position annexation between them is: power circuit converts external 12v supply voltage into power pin that 5v voltage is connected to master chip, and the common I/O mouth of master chip connects liquid crystal display, and driving liquid crystal is shielded real-time demonstration power value and changed.This master chip is to have timer, I/O, and common 51 single-chip microcomputers of AD conversion, that in this project, adopt is STC12C48S2, common IO mouth is mainly used in the driving liquid crystal screen, connects keyswitch; Force transducer force signal line is connected to master chip AD pin, through after handling the result is shown output through LCDs; This power circuit is the power circuit that adopts LM7805 voltage stabilizing chip; LM7805 is a circuit of three-terminal voltage-stabilizing integrated, its input termination external power supply, and output terminal is 5v; Connect the power pin of master chip; Earth terminal ground connection, its major function are that external power supply voltage is stabilized in 5v, and the protection master chip does not receive the influence of external power supply voltage fluctuation; This LCDs is HY-12864T-201, belongs to character picture type LCD MODULE, integrated LCD display screen and LCD control module ST7920, and built-in 8192 Chinese characters, 128 characters and 64X256 dot matrix display random access memory directly connect master chip.
Said physical construction part comprises glass folder (1), lower beam (2); Upper boom (3); Upper boom Y-piece (4), lower beam Y-piece (10), glass support pallet (5); Upper boom sensor gib screw (8), is gone up lower beam connecting pin (6), glass and is clamped solid screw (7), force transducer (9), upper boom sensor fixing pin (12), lower beam sensor fixing pin (13), glass and clamp solid nut (16) and rubber blanket (14) lower beam sensor gib screw (11).Its position annexation is: glass folder (1) is installed on the glass for vehicle window (15); Between glass folder (1) and glass for vehicle window (15), rubber blanket (14) is housed; Glass is installed on the glass folder (1) clamps solid screw (7); It is the standard component of M8 that glass clamps solid screw (7), and glass clamps solid nut (16) and is installed on the solid screw (7) of glass clamping, and it is the standard component of M8 that glass clamps solid nut (16).One end of upper boom (3) is connected on the glass folder (1); The other end is connected on the upper boom Y-piece (4); Upper boom (3) is hinged through last lower beam connecting pin (6) with lower beam (2); One end of lower beam (2) is connected on the glass support pallet (5); The other end is connected on the lower beam Y-piece (10); Between upper boom Y-piece (4) and lower beam Y-piece (10), be connected with force transducer (9), force transducer (9) links together through upper boom sensor gib screw (8) with upper boom Y-piece (4), and the upper end of upper boom sensor gib screw (8) and upper boom Y-piece (4) link together through upper boom sensor fixing pin (12); Force transducer (9) links together through lower beam sensor gib screw (11) with lower beam Y-piece (10), and the upper end of lower beam sensor fixing pin (11) and lower beam Y-piece (10) link together through lower beam sensor fixing pin (13).
This glass folder (1) shape is shown in Fig. 1 (a), Fig. 1 (b); It is Jiong shape that section configuration is looked on its left side; Be specially a square iron plate, middle method with the line cutting cuts out a fixed groove that 8mm is wide, and it is provided with two fixing through holes of using; Because the glass folder is a metal material; Can not directly directly contact with glass for vehicle window (15), between adds rubber blanket, and the function of glass folder is a kind of power windows of the present invention to be closed force tester be fixed on easily on the glass for vehicle window (15);
This lower beam (2) is that the rectangular block round bar and trough of belt is formed by connecting; Shape is shown in Fig. 2 (a), Fig. 2 (b); Through hole on the rectangular block of middle trough of belt is mainly used in installs lower beam connecting pin (6); Thereby it is upper boom (3), lower beam (2) is hinged; Lower beam (2) one ends are connected on the glass support pallet (5), and the other end is connected on the lower beam Y-piece (10), and the function of lower beam is through being transferred to force transducer (9) with power that cooperating of upper boom receives glass support pallet (5) through lever principle;
This upper boom (3) is that the rectangular block round bar and trough of belt is formed by connecting; Shape is shown in Fig. 3 (a), Fig. 3 (b); Through hole on the rectangular block of middle trough of belt is mainly used in installs the lower beam connecting pin, thereby upper boom, lower beam is hinged, upper boom one end is connected on the glass folder (1); The other end is connected on the upper boom Y-piece (4), and the function of upper boom is through being transferred to force transducer (9) with the power that glass folder (1) is received that cooperates of lower beam through lever principle;
This upper boom Y-piece (4) shape is shown in Fig. 4 (a), Fig. 4 (b); Between the through hole on upper boom Y-piece two sides, be connected with upper boom sensor fixing pin (12); On upper boom sensor fixing pin (12), be connected with upper boom sensor gib screw (8); Upper boom Y-piece (4) links together with upper boom (3), and the function of upper boom Y-piece (4) is the upper end through upper boom sensor gib screw (8) the bed knife sensor (9) that is connected with upper boom sensor fixing pin (12);
This glass support pallet (5) is the iron plate of a rectangular parallelepiped; Shape is connected on lower beam (2) end shown in Fig. 5 (a), Fig. 5 (b), and the function of glass support pallet (5) is in the process that vehicle window rises; If run into obstacle halfway; To have acting force to be applied on the glass support pallet (5), glass support pallet (5) has downward displacement when being under pressure; Therefore lower beam Y-piece (10) the meeting upward pressure sensor (9) that is connected with lower beam (2) other end, thus realized the power that glass support pallet (5) receives is transferred to the process of force transducer (9);
Should go up lower beam connecting pin (6); Shape is as shown in Figure 6, and its head is a nut shape hexahedron, and the first half is smooth cylindrical bar; The latter half is a screw thread; Its cylindrical bar partly passes the through hole of the rectangular block of upper boom (3) and lower beam (2) trough of belt, and threaded portion is mainly used in the installation nut, fixedly upper boom (3) and lower beam (2).The function of last lower beam connecting pin (6) is that upper boom (3) and lower beam (2) is hinged, makes that lower beam (2) can be with respect to the accessible rotation of upper boom (3);
This trip bolt (7) is the standard web member of choosing as required; In order to make that glass folder (1) can clampingc car glass pane (15); This trip bolt mounting center and glass folder (1) topmost distance approximates 1/2nd of glass folder height greatly, so the effect of trip bolt (7) is to make that glass folder (1) can clampingc car glass pane (15);
This upper boom sensor gib screw (8); Shape is shown in Fig. 7 (a), Fig. 7 (b); A through hole is arranged on screw cap, and the effect of through hole is to pass upper boom sensor fixing pin (12), hangs on the upper boom Y-piece (4); Its lower end threaded portion be connected to force transducer (9) from threaded hole, the function of upper boom sensor gib screw (8) is the upper end of bed knife sensor (9);
This force transducer (9) is commercial that chooses as required, and its model is CFBLSM.
This lower beam Y-piece (10) shape is identical with the upper boom Y-piece; Between the through hole on lower beam Y-piece two sides, be connected with lower beam sensor fixing pin (13); On lower beam sensor fixing pin (13), be connected with lower beam sensor gib screw (11); Lower beam Y-piece (10) links together with lower beam (2), and the function of lower beam Y-piece (10) is the lower end through lower beam sensor gib screw (11) the bed knife sensor (9) that is connected with lower beam sensor fixing pin (13);
This lower beam sensor gib screw (11) shape is identical with upper boom sensor gib screw (8); A through hole is arranged on screw cap; The effect of through hole is to pass lower beam sensor fixing pin (13); Hang on the lower beam Y-piece (10), its lower end threaded portion be connected to force transducer (9) from threaded hole, the function of lower beam sensor gib screw (11) is the lower end of bed knife sensor (9);
This upper boom sensor fixing pin (12) is the standard web member of choosing as required, and its function is that upper boom sensor gib screw (8) is connected on the upper boom Y-piece (4);
This lower beam sensor fixing pin (13) is the standard web member of choosing as required, and its function is that lower beam sensor gib screw (11) is connected on the lower beam Y-piece (10);
This rubber blanket (14) is directly to be cut to glass folder same size from the thick electrostatic prevention rubber of commercially available 2mm in the present invention; Directly pad is between glass for vehicle window (15) and glass folder (1) then, and the function of rubber blanket (14) is to prevent that glass for vehicle window (15) from being scratched;
It is the standard web member of choosing as required that this glass clamps solid nut (16), matches with trip bolt (7).
Principle of work of the present invention is:
Between the upper boom Y-piece (4) and lower beam Y-piece (10) that force transducer (9) is installed in respectively and lower beam (2), upper boom (3) link together; Force transducer (9) links together through upper boom sensor gib screw (8) with upper boom Y-piece (4); The upper end of upper boom sensor gib screw (8) links together through upper boom sensor fixing pin (12) and upper boom Y-piece (4); Force transducer (9) links together through lower beam sensor gib screw (11) with lower beam Y-piece (10), and the upper end of lower beam sensor gib screw (11) and lower beam Y-piece (10) link together through lower beam sensor fixing pin (13).
Because upper boom (3) links together with glass folder (1); So the end that upper boom (3) is connected with glass folder (1) in the vehicle window uphill process can be defaulted as relatively and glass for vehicle window (15) is static; Force transducer (9) is installed between upper boom Y-piece (4) and the lower beam Y-piece (10); Upper boom Y-piece (4) and upper boom (3), lower beam Y-piece (10) links together with lower beam (2), and upper boom (3), lower beam (2) are hinged through last lower beam connecting pin (6) simultaneously; The other end of lower beam (2) and glass support pallet (5) link together; Therefore be with glass folder (1) when glass for vehicle window (15) and rising to the top, acting on glass support pallet (5) last time effectively, an end of the lower beam (2) that then links together with glass support pallet (5) moves downward; Therefore upper boom (3) moves upward with the end that upper boom Y-piece (4) links together; Therefore force transducer (9) is under pressure, and sensor signal lines (17) is connected to master chip AD conversion pin, and master chip shows through LCDs after the AD transformation result analyzing and processing in real time.
In addition, the relation that acts between the power F2 of power F1 and force transducer (9) output on the glass support pallet (5) is:
F1*a=F2*b
Wherein a is the distance at position distance last lower beam connecting pin (6) center of vehicle window roof pressure to the glass support pallet (5), and b is the distance at last lower beam connecting pin (6) center and upper boom sensor fixing pin (8) center.
Claims (6)
1. a power windows is closed force tester, it is characterized in that: it is made up of electrical structure part and physical construction part two parts; Force transducer is fixed on the glass for vehicle window through the physical construction part easily; When vehicle window rises; Be fixed on the force transducer on the glass for vehicle window and produce force signal because be under pressure; And the signal wire of force transducer is connected to the AD conversion pin of the master chip of electrical structure part, and the electrical structure part handles afterwards the AD sampled result through real-time the showing of liquid crystal display circuit;
Said electrical structure part comprises master chip, power circuit and liquid crystal display three parts; Power circuit converts external 12v supply voltage into power pin that 5v voltage is connected to master chip, and the common I/O mouth of master chip connects liquid crystal display, and driving liquid crystal is shielded real-time demonstration power value and changed; This master chip is to have timer, I/O, and common 51 single-chip microcomputers of AD conversion, common IO mouth are used for the driving liquid crystal screen, connect keyswitch; Force transducer force signal line is connected to master chip AD pin, through after handling the result is shown output through LCDs; This power circuit is the power circuit that adopts the voltage stabilizing chip; It is a circuit of three-terminal voltage-stabilizing integrated, its input termination external power supply, and output terminal is 5v; Connect the power pin of master chip; Earth terminal ground connection, its function are that external power supply voltage is stabilized in 5v, and the protection master chip does not receive the influence of external power supply voltage fluctuation; This LCDs is to belong to character picture type LCD MODULE, integrated LCD display screen and LCD control module ST7920, and built-in 8192 Chinese characters, 128 characters and 64X256 dot matrix display random access memory directly connect master chip;
Said physical construction part comprises glass folder (1), lower beam (2), upper boom (3), upper boom Y-piece (4), lower beam Y-piece (10), glass support pallet (5), upper boom sensor gib screw (8), lower beam sensor gib screw (11), goes up lower beam connecting pin (6), the solid screw (7) of glass clamping, force transducer (9), upper boom sensor fixing pin (12), lower beam sensor fixing pin (13), the solid nut (16) of glass clamping and rubber blanket (14); Glass folder (1) is installed on the glass for vehicle window (15); Between glass folder (1) and glass for vehicle window (15), rubber blanket (14) is housed; Glass is installed on the glass folder (1) clamps solid screw (7); Glass clamps solid nut (16) and is installed on the solid screw (7) of glass clamping; One end of upper boom (3) is connected on the glass folder (1); The other end is connected on the upper boom Y-piece (4), and upper boom (3) is hinged through last lower beam connecting pin (6) with lower beam (2), and an end of lower beam (2) is connected on the glass support pallet (5); The other end is connected on the lower beam Y-piece (10); Between upper boom Y-piece (4) and lower beam Y-piece (10), be connected with force transducer (9), force transducer (9) links together through upper boom sensor gib screw (8) with upper boom Y-piece (4), and the upper end of upper boom sensor gib screw (8) and upper boom Y-piece (4) link together through upper boom sensor fixing pin (12); Force transducer (9) links together through lower beam sensor gib screw (11) with lower beam Y-piece (10), and the upper end of lower beam sensor fixing pin (11) and lower beam Y-piece (10) link together through lower beam sensor fixing pin (13);
This glass folder (1) shape, it is Jiong shape that section configuration is looked on its left side, is specially a square iron plate; Middle method with the line cutting cuts out a U-shaped fixed groove; It is provided with two fixing through holes of using, and owing to the glass folder is a metal material, can not directly directly contact with glass for vehicle window (15); Between adds rubber blanket, and the function of glass folder is that this tester is fixed on the glass for vehicle window (15) easily;
This lower beam (2) is that the rectangular block round bar and trough of belt is formed by connecting; Through hole on the rectangular block of middle trough of belt is used to install lower beam connecting pin (6); Thereby it is upper boom (3), lower beam (2) is hinged; Lower beam (2) one ends are connected on the glass support pallet (5), and the other end is connected on the lower beam Y-piece (10), and the function of lower beam is through being transferred to force transducer (9) with power that cooperating of upper boom receives glass support pallet (5) through lever principle;
This upper boom (3) is that the rectangular block round bar and trough of belt is formed by connecting; Through hole on the rectangular block of middle trough of belt is used to install the lower beam connecting pin; Thereby it is upper boom, lower beam is hinged; Upper boom one end is connected on the glass folder (1), and the other end is connected on the upper boom Y-piece (4), and the function of upper boom is through being transferred to force transducer (9) with the power that glass folder (1) is received that cooperates of lower beam through lever principle;
This upper boom Y-piece (4) is shaped as the rectangular parallelepiped spare that has the U-shaped gap; Between the through hole on upper boom Y-piece two sides, be connected with upper boom sensor fixing pin (12); On upper boom sensor fixing pin (12), be connected with upper boom sensor gib screw (8); Upper boom Y-piece (4) links together with upper boom (3), and the function of upper boom Y-piece (4) is the upper end through upper boom sensor gib screw (8) the bed knife sensor (9) that is connected with upper boom sensor fixing pin (12);
This glass support pallet (5) is the iron plate of a rectangular parallelepiped; Be connected on lower beam (2) end; The function of glass support pallet (5) is in the process that vehicle window rises, if run into obstacle midway, will have acting force to be applied on the glass support pallet (5); Glass support pallet (5) is when being under pressure; Have downward displacement, lower beam Y-piece (10) the meeting upward pressure sensor (9) that therefore is connected with lower beam (2) other end, thus realized the power that glass support pallet (5) receives is transferred to the process of force transducer (9);
Should go up lower beam connecting pin (6); Its head is a nut shape hexahedron; The first half is smooth cylindrical bar, and the latter half is a screw thread, and its cylindrical bar partly passes the through hole of the rectangular block of upper boom (3) and lower beam (2) trough of belt; Threaded portion is used to install nut, fixedly upper boom (3) and lower beam (2); The function of last lower beam connecting pin (6) is that upper boom (3) and lower beam (2) is hinged, makes that lower beam (2) can be with respect to the accessible rotation of upper boom (3);
This trip bolt (7) is the standard web member of choosing as required; In order to make that glass folder (1) can clampingc car glass pane (15); This trip bolt mounting center and glass folder (1) topmost distance approximates 1/2nd of glass folder height greatly, so the effect of trip bolt (7) is to make that glass folder (1) can clampingc car glass pane (15);
This upper boom sensor gib screw (8); A through hole is arranged on screw cap; The effect of through hole is to pass upper boom sensor fixing pin (12); Hang on the upper boom Y-piece (4), its lower end threaded portion be connected to force transducer (9) from threaded hole, the function of upper boom sensor gib screw (8) is the upper end of bed knife sensor (9);
This force transducer (9) is commercial that chooses as required;
This lower beam Y-piece (10) shape is identical with the upper boom Y-piece; Between the through hole on lower beam Y-piece two sides, be connected with lower beam sensor fixing pin (13); On lower beam sensor fixing pin (13), be connected with lower beam sensor gib screw (11); Lower beam Y-piece (10) links together with lower beam (2), and the function of lower beam Y-piece (10) is the lower end through lower beam sensor gib screw (11) the bed knife sensor (9) that is connected with lower beam sensor fixing pin (13);
This lower beam sensor gib screw (11) shape is identical with upper boom sensor gib screw (8); A through hole is arranged on screw cap; The effect of through hole is to pass lower beam sensor fixing pin (13); Hang on the lower beam Y-piece (10), its lower end threaded portion be connected to force transducer (9) from threaded hole, the function of lower beam sensor gib screw (11) is the lower end of bed knife sensor (9);
This upper boom sensor fixing pin (12) is the standard web member of choosing as required, and its function is that upper boom sensor gib screw (8) is connected on the upper boom Y-piece (4);
This lower beam sensor fixing pin (13) is the standard web member of choosing as required, and its function is that lower beam sensor gib screw (11) is connected on the lower beam Y-piece (10);
This rubber blanket (14) is directly to be cut to glass folder same size from the thick electrostatic prevention rubber of commercially available 2mm; Directly pad is between glass for vehicle window (15) and glass folder (1) then, and the function of rubber blanket (14) is to prevent that glass for vehicle window (15) from being scratched;
It is the standard web member of choosing as required that this glass clamps solid nut (16), matches with trip bolt (7).
2. a kind of power windows according to claim 1 is closed force tester, it is characterized in that: the model of this single-chip microcomputer is STC12C48S2.
3. a kind of power windows according to claim 1 is closed force tester, it is characterized in that: the model of this power circuit voltage stabilizing chip is LM7805.
4. a kind of power windows according to claim 1 is closed force tester, it is characterized in that: the model of this LCDs is HY-12864T-201.
5. a kind of power windows according to claim 1 is closed force tester, it is characterized in that: the model of this force transducer is CFBLSM.
6. a kind of power windows according to claim 1 is closed force tester, it is characterized in that: the width of the U-shaped fixed groove of this glass folder is 7-9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210214744.4A CN102721502B (en) | 2012-06-26 | 2012-06-26 | Electric vehicle window closing force tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210214744.4A CN102721502B (en) | 2012-06-26 | 2012-06-26 | Electric vehicle window closing force tester |
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| CN102721502A true CN102721502A (en) | 2012-10-10 |
| CN102721502B CN102721502B (en) | 2014-08-20 |
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| CN201210214744.4A Expired - Fee Related CN102721502B (en) | 2012-06-26 | 2012-06-26 | Electric vehicle window closing force tester |
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| CN104977110A (en) * | 2015-06-26 | 2015-10-14 | 芜湖莫森泰克汽车科技有限公司 | Automatic detection device for vehicle window glass closing force |
| CN105486439A (en) * | 2014-09-19 | 2016-04-13 | 上海航天精密机械研究所 | Spring cotter pressing force measuring device and measuring method thereof |
| CN106124226A (en) * | 2016-08-30 | 2016-11-16 | 芜湖莫森泰克汽车科技股份有限公司 | Durability of window glass lifter test system and method |
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| CN105486439A (en) * | 2014-09-19 | 2016-04-13 | 上海航天精密机械研究所 | Spring cotter pressing force measuring device and measuring method thereof |
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| CN109459166A (en) * | 2018-10-17 | 2019-03-12 | 吴江市建设工程质量检测中心有限公司 | The ultrasonic detection method of high-strength bolt connecting node in prefabricated construction |
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| Publication number | Publication date |
|---|---|
| CN102721502B (en) | 2014-08-20 |
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